12332123021 has 2 divisors, whose sum is σ = 12332123022. Its totient is φ = 12332123020.

The previous prime is 12332122981. The next prime is 12332123029. The reversal of 12332123021 is 12032123321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11709620521 + 622502500 = 108211^2 + 24950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12332123021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12332122984 and 12332123002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12332123029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6166061510 + 6166061511.

It is an arithmetic number, because the mean of its divisors is an integer number (6166061511).

Almost surely, 2^12332123021 is an apocalyptic number.

It is an amenable number.

12332123021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12332123021 is an equidigital number, since it uses as much as digits as its factorization.

12332123021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12332123021 its reverse (12032123321), we get a palindrome (24364246342).

The spelling of 12332123021 in words is "twelve billion, three hundred thirty-two million, one hundred twenty-three thousand, twenty-one".